Recently, the Marks and Spencer website relaunched under much fanfare and a bill for 150 million pounds or roughly 220 million USD. Thing is, they seem to be abusing the schema markup for video sitemaps, as James Flacks points out…

In the light of this article on microdata and its use in advanced SEO efforts, you might be interested in a Google tool to help with that: The “markup helper” can be found at https://www.google.com/webmasters/markup-helper/.